Controller box



FIG. 1 is a perspective view of a controller box showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side and right side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is another perspective view showing the controller box.

The broken line environmental showing is for illustrative purpose onlyand forms no part of the claimed design.

The ornamental design for a controller box, as shown and described.